Signed-off-by: Ming Lei <tom.leiming@xxxxxxxxx>
---
kernel/power/swap.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/kernel/power/swap.c b/kernel/power/swap.c
index 32e0c232efba..031e709c9fc4 100644
--- a/kernel/power/swap.c
+++ b/kernel/power/swap.c
@@ -238,6 +238,8 @@ static void hib_init_batch(struct hib_bio_batch *hb)
static void hib_end_io(struct bio *bio)
{
struct hib_bio_batch *hb = bio->bi_private;
+
+ /* single page bio, safe for multipage bvec */
struct page *page = bio->bi_io_vec[0].bv_page;
if (bio->bi_error) {
--
2.7.4
--
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